ISO 9459-4:2013
Current
The latest, up-to-date edition.
Solar heating — Domestic water heating systems — Part 4: System performance characterization by means of component tests and computer simulation
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English
04-02-2013
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ISO 9459-4:2013 specifies a method of evaluating the annual energy performance of solar water heaters using a combination of test results for component performance and a mathematical model to determine an annual load cycle task performance under specified weather and load conditions. The procedure is applicable to solar water heaters with integral backup or preheating into a conventional storage or instantaneous water heater and to integral collector storage water heaters.
System operating requirements specified in ISO 9459-4:2013 are for the purpose of determining an annual performance rating for domestic water heaters. There are no product design or operation requirements in ISO 9459-4:2013.
| Committee |
ISO/TC 180/SC 4
|
| DevelopmentNote |
Supersedes ISO/DIS 9459-4. (02/2013)
|
| DocumentType |
Standard
|
| Pages |
70
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NEN ISO 9459-4 : 2013 | Identical |
| BS ISO 9459-4:2013 | Identical |
| ISO 9488:1999 | Solar energy Vocabulary |
| ASHRAE 90.2 : 2007 | ENERGY-EFFICIENT DESIGN OF LOW-RISE RESIDENTIAL BUILDINGS |
| ASHRAE 23.1 : 2010 | METHODS OF TESTING FOR RATING THE PERFORMANCE OF POSITIVE DISPLACEMENT REFRIGERANT COMPRESSORS AND CONDENSING UNITS THAT OPERATE AT SUBCRITICAL TEMPERATURES OF THE REFRIGERANT |
| AS/NZS 4692.1:2005 | Electric water heaters Energy consumption, performance and general requirements (Reconfirmed 2016) |
| AS/NZS 4234:2008 | Heated water systems - Calculation of energy consumption |
| AS/NZS 2712:2007 | Solar and heat pump water heaters - Design and construction (Reconfirmed 2020) |
| AS/NZS 2535.1:2007 | Test methods for solar collectors Thermal performance of glazed liquid heating collectors including pressure drop (ISO 9806-1:1994, MOD) (Reconfirmed 2020) |
| AS 1056.1-1991 | Storage water heaters General requirements |
| AS 4552-2005 | Gas fired water heaters for hot water supply and/or central heating |
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